As it says on the tin the integration into Visual Studio should utilize the TextVisualizer https://docs.microsoft.com/en-us/visualstudio/debugger/string-visualizer-dialog-box?view=vs-2019 for any string value, but especially so for long values.

As of SDI 11.1.105.2796

This is the behavior when a long string is inspected in hover-over mode:



Compare this experience to C# when a long string is encountered:



Notice the Magnifying Glass Icon which will launch TextVisualizer like so:



This behavior should be mimicked in the Synergy Debugging Experience.